RIYADH, Saudi Arabia — Saudi Arabia said Tuesday it is testing a man for the Ebola virus after he showed symptoms of the viral hemorrhagic fever following a recent trip to Sierra Leone.

The Health Ministry said the symptoms appeared in the 40-year-old Saudi man at a hospital in the western city of Jiddah. He is in critical condition and being treated in a unit with advanced isolation and infection-control capabilities.

Different types of viral hemorrhagic fevers have been found in the kingdom, but no case of Ebola has ever been detected there, according to the ministry.